Cross-cultural adaptation, reliability and validity of the Spanish version of the upper limb functional index

Table 2 Factor loading items for the one-factor solution, average score and discrimination indices of items

Question	Item	Factor loading	Item average score	Item discr indices
1	Stay at home most of time	.725	.30	.666^**
2	Change positions frequently	.842	.44	.824^**
3	Avoid heavy jobs	.730	.25	.670^**
4	Rest more often	.914	.17	.886^**
5	Get others to do things	.914	.12	.886^**
6	Pain almost all the time	.876	.15	.850^**
7	Lifting and carrying	.672	.10	.631^**
8	Appetite affected	.344	.20	.434^**
9	Walking/normal recreation/sport	.599	.25	.672^**
10	Home/family duties and chores	.570	.19	.675^**
11	Sleep less well	.296	.13	.283^**
12	Assistance with personal care, hygiene	.511	25	.576^**
13	Regular daily activity work/social	.762	.27	.777^**
14	More irritable/bad tempered	.344	.18	.466^**
15	Feel weaker or stiffer	.825	.38	.762^**
16	Transport independence	.511	.29	.576^**
17	Arm in shirt sleeve/dressing	.888	.20	.860^**
18	Writing/using keyboard or mouse	.511	.17	.576^**
19	Do things at/above shoulder	.295	.10	.209^*
20	Eating: using utensils	.929	.12	.898^**
21	Hold or moving dense objects	.891	.18	.868^**
22	Drop things-minor accidents	.909	.18	.883^**
23	Use other arm more often	.675	.33	.614^**
24	Difficult button key coins taps	.825	.52	.762^**
25	Open, hold, press, or push	.206	.43	.303^**

ISSN: 1477-7525